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When assistance becomes dependence
2013
ACM SIGMOBILE Mobile Computing and Communications Review
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We present the characterization of the accuracy, location acquisition speed, energy cost, and network dependency of the state of the art A-GPS receivers shipped in popular mobile devices. ...
The results reveals a number of inefficiencies as a result of the strong dependence on the cellular network to obtain assisting data, implementation, and integration problems. ...
Acknowledgements: A. Finamore has been sponsored by the EU-IP mPlane project under the European Comission grand N-318627. ...
doi:10.1145/2557968.2557970
fatcat:v5v5y5ubcjfrxazwvxefwmsaiq
Location-dependent query processing
2010
ACM Computing Surveys
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Specifically, location-based services and location-dependent queries have attracted a lot of interest. ...
In this article, the existing literature in the field of location-dependent query processing is reviewed. ...
Similarly, Spacerace [Drab and Binder 2005] is a treasure hunt game for Assisted GPS phones. ...
doi:10.1145/1670679.1670682
fatcat:6mlurrqvgvaapmw5pmm7sfz6n4
Software For Dependable Systems
2008
Insight
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as a balancing of costs and benefits and a prioritization of risks-is vital. ...
A system is dependable when it can be depended on to produce the consequences for which it was designed, and no adverse effects, in its intended environment. ...
the cost of developing a new component when high dependability is required. ...
doi:10.1002/inst.200811262
fatcat:cxcbwemr6japjnnapr6ojvnh4e
Continuous Location Dependent Queries in Mobile Wireless Sensor Networks
2011
Wireless personal communications
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In this paper, we study the problem of processing Continuous Location Dependent Query (CLDQ) that retrieves the sampling data of the sensors within a specific area (i.e. query area) around a mobile sensor ...
data transmissions are smartly scheduled according to its distance to the mobile sensor, and an optimization scheme for continuous processing of CLDQs. ...
As a result, the cost of TinyDB approach is composed of flooding cost, SRT maintenance cost and data aggregation cost. ...
doi:10.1007/s11277-011-0444-y
fatcat:jw6yxjifk5bnfavqdfgipqsejy
RescueMe: Location-Based Secure and Dependable VANETs for Disaster Rescue
2011
IEEE Journal on Selected Areas in Communications
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We provide a novel construction for the location update message, and propose several enhancements, to achieve the functional and security goals of RescueMe. ...
exploited to trace a user's whereabouts when disasters are absent, even if the most powerful collusion attack is allowed. ...
The stored location information across the network is expected to be accessible to assist in rescue work when the users become survivors of a disaster. ...
doi:10.1109/jsac.2011.110314
fatcat:3bhryjfaxzb5phirrkyrsofcka
Storage Tradeoffs in a Collaborative Backup Service for Mobile Devices
2006
2006 Sixth European Dependable Computing Conference
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When the node forwards a packet, its nuglet purse becomes bigger. ...
We thus propose another characterization of backup systems based on a set of functionalities and of dependability issues, as described in the following sections. ...
par rapport à k [12] . ...
doi:10.1109/edcc.2006.26
dblp:conf/edcc/CourtesKP06
fatcat:tcpc3n54zfblpi6pcflna7dgfy
How will the Tories reform the NHS?
2010
Journal of the Royal Society of Medicine
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The advocates of competition in the NHS, be they Milburn-Blair or the Tories, assume that the NHS market is inefficient and that competition is a useful mechanism to challenge this inefficiency. ...
Conclusions (1) For decades NHS inefficiency has been dealt with by increased funding and the 'redisorganization' of NHS organizational structures. (2) The NHS has had a market (a network of buyers and ...
doi:10.1258/jrsm.2010.100124
pmid:20436025
pmcid:PMC2862064
fatcat:mbk5etozd5d3xpbvw3h2gynbcm
'Dependent Contractors' in the Gig Economy: A Comparative Approach
2016
Social Science Research Network
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the time and expense of becoming involved in a lawsuit. ...
The "sharing economy" began as a way for neighbors to assist each other and to engage in more sustainable modes of production. ...
If there is to be a third category, establishing one that, like Canada's "dependent contractor," expands the scope of the employment relationship would best meet the needs of gig workers. ...
doi:10.2139/ssrn.2847869
fatcat:a3yypn6y5javhotwpfp6zy7cfy
APPLICATION OF THE GLOBAL POSITIONING SYSTEM TO BOND FORFEITURE RECLAMATION PROJECTS
2000
Journal American Society of Mining and Reclamation
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Cost savings realized by using the GPS technology were applied to earthmoving costs, and resulted in cost savings in a limited funding scenario. ...
A cooperative project between the OSM Technical Information Processing System (TIPS) team and the state of Colorado serves as a model for the use of GPS and other computer technologies applied to real-world ...
where earthmoving inefficiencies and the high associated costs sometimes resulted in abandonment before reclamation was completed. ...
doi:10.21000/jasmr00010334
fatcat:cgf3ohi76rfdvafuearxucsxdq
Online Cruising Mile Reduction in Large-Scale Taxicab Networks
2015
IEEE Transactions on Parallel and Distributed Systems
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Based on a weighted cruising graph, when a taxicab becomes vacant, pCruise provides a distributed online scheduling strategy to obtain and update an efficient cruising route with the minimum length and ...
According to the real-time pick-up events from nearby taxicabs, pCruise characterizes a cruising process with a cruising graph, and assigns weights on edges of the cruising graph to indicate the utility ...
ACKNOWLEDGMENTS This research was supported in part by the US National Science Foundation (NSF) grants CNS-0845994, CNS-0917097, CNS-1239226, CNS-1239108, CNS-1239483 and UMN Thesis Travel Grant. ...
doi:10.1109/tpds.2014.2364024
fatcat:vffjdshzvncq5duorbolv3agsm
Leveraging Telematics for Optimal Fleet Performance
2015
International Journal of Business, Economics and Management
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The research findings show a positive impact on the delivery of transport services at reduced operational cost after the adoption of the GPS enabled fleet management system in the company transport operations ...
Evidence of companies reducing costs, eliminating inefficiencies and locating lost equipment are making telematics an attractive investment for transport business owners. ...
market, which has been characterized by an increase in the importance of time, speed, and reliability on transport operations leading to a higher dependence on road transport (Golicic et al., 2010) . ...
doi:10.18488/journal.62/2015.2.2/68.2.49.63
fatcat:kgby2frg2rad5ky46bqdcxoe2m
Describing the Clinical Communication Space through a Model of Common Ground: 'you don't know what you don't know'
2010
AMIA Annual Symposium Proceedings
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To address this shortcoming we studied collaborative care delivery in two settings and then used Grounded Theory methodology to develop a model of common ground. ...
The model contains four main concepts: moments of common ground, barriers to common ground, fabric of common ground, and consequences of weak common ground. ...
which makes grounding a cost worth incurring. ...
pmid:21347010
pmcid:PMC3041298
fatcat:kwfn6d7ndban3jl2fmmrps3xjq
Cadeia leiteira em quatro assentamentos da reforma agrária no município Unaí-MG
2020
Atas de Saúde Ambiental
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Constatou-se que a rentabilidade econômica da atividade leiteira nos assentamentos é heterogenia. ...
O estudo teve como objetivo investigar a distribuição dos custos operacionais e rentabilidade econômica da cadeia leiteira em 04 assentamentos da reforma agrária no município de Unaí. ...
This area was characterized by a commendable social and political environment, when the redemocratization of the country began. ...
doaj:125b196af44f4225a589ad2c05a03d8a
fatcat:kycfsoo4kresjaa2b7nj6qehx4
Green production — Strategies and dynamics: A simulation based study
2013
2013 Winter Simulations Conference (WSC)
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Secondly, system dynamic models were developed to characterize the dynamic behavior of production systems under Cap and Trade conditions. ...
There are a number of issues for enterprises to implement green production. ...
ACKNOWLEDGMENTS This research is funded by the Natural Science Foundation of China (Grant ID: 71172057, 71272089 and 71101094) and Guangdong Provincial Commission of Science and Technology (ID: 2012B070300074 ...
doi:10.1109/wsc.2013.6721587
dblp:conf/wsc/ZhouPC13
fatcat:a5gc5wb7jvdrhh5ho3qtacvvwu
Combining multiple, inexpensive GPS receivers to improve accuracy and reliability
2012
2012 IEEE Sensors Applications Symposium Proceedings
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Thank you for being the foundation of our family, and for creating a supportive, honest, loving environment that ultimately made this thesis possible. iii ACKNOWLEDGMENTS ...
When applied to devices with limited battery and computational power, these issues of complexity and cost become even greater. ...
"Offered free of charge and accessible worldwide, GPS is rapidly becoming a universal utility as the cost of integrating the technology into vehicles, machinery, computers, and cellular phones decreases ...
doi:10.1109/sas.2012.6166295
fatcat:kktys4eenfh43aa3wav5gkd4ce
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